package Day08;

import java.util.Scanner;

public class Test1 {
    public static void main(String[] args) {
        /*键盘录入一个字符串，统计该字符串中大写字母字符
        ，小写字母字符，数字字符出现的次数(不考虑其他字符) */
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入一个字符串");
        String s=sc.nextLine();
        int smallCount=0;
        int bigCount=0;
        int numCount=0;
        for (int i = 0; i <s.length() ; i++) {
            char ch=s.charAt(i);
            if(ch>='a'&&ch<='z'){
                smallCount++;
            }else if(ch>='A'&&ch<='Z'){
                bigCount++;
            }else if(ch>='0'&&ch<='9'){
                numCount++;
            }
        }
        System.out.println("大写字母有"+bigCount+"个。");
        System.out.println("小写字母有"+smallCount+"个。");
        System.out.println("数字有"+numCount+"个。");
    }
}
